Cognitive-Behavioral Treatment of Insomnia: Cognitive-Behavioral Treatment of Insomnia Martita Lopez, Ph.D.
Department of Psychology
University of Texas at Austin
Sleep stages: Sleep stages We cycle through the stages of sleep about every 90 minutes during the night, in the same order
Most dreaming occurs during the second half of the night, as REM sleep lasts longer and longer
Stage 1: Very light sleep
Stage 2: Light sleep
Stage 3: Deeper sleep
Stage 4: Very deep sleep, most restorative
Stage 5: REM sleep, when we dream
Sleep throughout life: Sleep throughout life Childhood and adolescence
Sleep needs range from 18 hrs a day for infants to about 9 hrs a day for teenagers
Adulthood
Amount of deep sleep drops dramatically between age 20 and 40, and average sleep time is 7.5 hours
Women’s reproductive cycles affect sleep
Especially pregnancy (sleepier first trimester)
Also affected by menstrual cycle (sleepier second half of cycle)
Sleep in middle age: Sleep in middle age Sleep becomes lighter and nighttime awakenings become more frequent and last longer
Often wake up after 3 hours of sleep
Menopause may lead to hot flashes that interrupt sleep repeatedly
Breathing problems may begin, especially among overweight people
Physically active adults sleep more soundly than their sedentary peers.
About 20% of sleep time is spent in dreaming
Sleep among older adults: Sleep among older adults Little deep sleep, but dreaming still 20%
Dozens of awakenings during the night
Falling asleep takes longer
Despite the above, over a 24-hour period older adults accumulate the same amount of total sleep as younger people
Older adults more likely to nap during the day
Older adults do need the same amount of sleep as they did when they were younger
Insomnia: A common sleep problem: Insomnia: A common sleep problem People with insomnia may have
Trouble falling asleep
Many awakenings during the night, with difficulty going back to sleep
Fitful sleep
Daytime drowsiness
During the day, people with insomnia may be
Anxious and irritable
Forgetful, with difficulty concentrating
Types of Insomnia: Types of Insomnia Transient: Less than 2 weeks
Intermittent: Repetitive episodes of transient insomnia
Chronic: Continuing difficulty with sleep
Chronic insomnia: Chronic insomnia Complaint of poor sleep causing distress or impairment for 6 months or longer
Average less than 6.5 hours sleep per day
Or 3 episodes per week of:
Taking longer than 30 minutes to fall asleep
Waking up during the night for at least an hour
Not accounted for by another sleep disorder, mental disorder, medical condition or substance use.
How common is insomnia?: How common is insomnia? More than half of adults in the U.S. said they experienced insomnia at least a few nights a week during the past year
Nearly one-third said they had insomnia nearly every night
Increases with age
The most frequent health complaint after pain
Twice as common in women as in men
Conditions that can cause insomnia: Conditions that can cause insomnia Hyperthyroidism
Arthritis or any other painful condition
Chronic lung or kidney disease
Cardiovascular disease (heart failure, CAD)
Heartburn (GERD)
Neurological disorders (epilepsy, Alzheimer’s, headaches, stroke, tumors, Parkinson’s Disease)
Diabetes
Menopause
Common drugs that can cause insomnia: Common drugs that can cause insomnia Alcohol
Caffeine/chocolate
Nicotine/nicotine patch
Beta blockers
Calcium channel blockers
Bronchodilators Corticosteroids
Decongestants
Antidepressants
Thyroid hormones
Anticonvulsants
High blood pressure medications
Additional Causes: Additional Causes Psychiatric disorders
Especially phobias and panic attacks, bipolar disorder, depression, and schizophrenia
Poor sleep habits
Shift work
Other sleep disorders
Circadian rhythm disorders
Restless legs syndrome
Periodic limb movement disorder
Sleep apnea
Consequences of insomnia: Consequences of insomnia Decreases in mental performance and motor functioning
Accidents
Inability to accomplish daily tasks
Mood disturbance
More sadness, depression, and anxiety
Interpersonal difficulties
With families, friends, and at work
Sleeping pills: Sleeping pills Most common treatment approach
Drowsiness common the next day
NOT meant for chronic insomnia
Effective for short-term (a couple weeks) insomnia only
Tolerance and dependency may develop
Withdrawal, rebound, relapse may occur
But commonly used, despite the above
5-10% of adults have used a benzodiazepine in past year as a sleep aid
10-20% of those over age 65 use sleeping pills
Non-drug treatments: Non-drug treatments Cognitive-behavioral therapy (CBT)
Stimulus control
Cognitive therapy
Sleep restriction
Relaxation training
Sleep hygiene
How to keep track of your sleep: How to keep track of your sleep Daily sleep diary or sleep log
Bedtime
Falling asleep time
Nighttime awakenings
Time to get back to sleep
Waking up time
Getting out of bed time
Naps
Cognitive Therapy: Cognitive Therapy Identify beliefs about sleep that are incorrect
Challenge their truthfulness
Substitute realistic thoughts
False beliefs about insomnia: False beliefs about insomnia Misconceptions about causes of insomnia
“Insomnia is a normal part of aging.”
Unrealistic expectations re: sleep needs
“I must have 8 hours of sleep each night.”
Faulty beliefs about insomnia consequences
“Insomnia can make me sick or cause a mental breakdown.”
Misattributions of daytime impairments
“I’ve had a bad day because of my insomnia.”
I can’t have a normal day after a sleepless night.”
More common myths about insomnia: More common myths about insomnia Misconceptions about control and predictability of sleep
“I can’t predict when I’ll sleep well or badly.”
Myths about what behaviors lead to good sleep
“When I have trouble getting to sleep, I should stay in bed and try harder.”
Sleep Restriction - best if done with a professional: Sleep Restriction - best if done with a professional Cut bedtime to the actual amount of time you spend asleep (not in bed), but no less than 4 hours per night
No additional sleep is allowed outside these hours
Record on your daily sleep log the actual amount of sleep obtained
Sleep Restriction (cont’d): Sleep Restriction (cont’d) Compute sleep efficiency (total time asleep divided by total time in bed)
Based on average of 5 nights’ sleep efficiency, increase sleep time by 15 minutes if efficiency is >85%
With elderly, increase sleep time if efficiency >80% and allow 30 minute nap.
Stimulus Control - You can do this on your own: Stimulus Control - You can do this on your own Go to bed only when sleepy
Use the bed only for sleeping
If unable to sleep, move to another room
Return to bed only when sleepy
Repeat the above as often as necessary
Get up at the same time every morning
Do not nap
Relaxation training: Relaxation training More effective than no treatment, but not as effective as sleep restriction
More useful with younger compared with older adults
Engage in any activities that you find relaxing shortly before bed or while in bed
Can include listening to a relaxation tape, soothing music, muscle relaxation exercises, a pleasant image
Healthy sleep habits (sleep hygiene): Healthy sleep habits (sleep hygiene) Avoid alcohol, nicotine, caffeine, chocolate
For several hours before bedtime
Cut down on non-sleeping time in bed
Bed only for sleep and satisfying sex
Avoid trying to sleep
You can’t make yourself sleep, but you can set the stage for sleep to occur naturally
Avoid a visible bedroom clock with a lighted dial
Don’t let yourself repeatedly check the time!
Can turn the clock around or put it under the bed
More healthy sleep habits: More healthy sleep habits Expose yourself to bright light at the right time
Morning, if you have trouble falling asleep at night
Night, if you want to stay awake longer at night
Establish a regular sleep schedule
Get up at the same time 7 days a week
Go to bed at the same time each night
Exercise every day - exercise improves sleep!
Deal with your worries before bedtime
Plan for the next day before bedtime
Set a worry time earlier in the evening
More healthy sleep habits: More healthy sleep habits Adjust the bedroom environment
Sleep is better in a cool room, around 65 F.
Darker is better
If you get up during the night to use the bathroom, use minimum light
Use a white noise machine or a fan to drown out other sounds
Make sure your bed and pillow are comfortable
If you have a partner who snores, kicks, etc., you may have to move to another bed (try white noise first)